Samsung Code Function
*#1111# Display software version
*#1234# Display firmware version
*#2222# Display hardware version
*2767*3855# Reset: delete all data and reset all settings
*#0*# Test/service mode, e.g. Galaxy S3 mini
*#*#4636'*'* Test/service mode, e.g. Galaxy S2
*2767*3855# Reset the password and setting
*2767*2878# Reset the password and phone setting
This will allow you to format the phone easily
